西湖凹陷平北地区平湖组基于地震多属性的储层预测
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摘要
始新统平湖组是东海西湖凹陷平北地区最重要的油气储层,但受资料条件的限制,应用常规方法无法进行精细的储层预测,制约了研究区的油气勘探部署和进程。应用地震多属性分析技术,结合测井曲线、岩心、岩性及区域地质资料,对平北地区平湖组的岩相进行了精细解释,并对有利目标区进行了初步预测,结果表明,平北地区平湖组发育潮汐控制的三角洲相和潮坪相两种类型的沉积相,并以三角洲相内的储层发育,砂体连片性好,工区西南部三角洲前缘相发育区为油气勘探的有利目标区。
Pinghu Formation reservoirs,the most important ones in Pingbei area of the Xihu depression,can not be predicted precisely by using conventional methods due to absence of corresponding data,which has restricted hydrocarbon exploration and development in the study area.The authors applied seismic multi-attributes technique and combined with data of well logs,core,lithology and regional geology to interpret the lithofacies of Pinghu Formation in the Pingbei area,and also favorable area for hydrocarbon exploration has been predicted in this paper.The results show that two sedimentary facies(tidal flat and delta) influenced by tide are developed in the Pinghu Formation,and reservoir in the delta is better because of its flaky sandbody distribution.The southwestern part of the study area with delta-front facies is the favorable target for hydrocarbon exploration.
Pinghu Formation reservoirs,the most important ones in Pingbei area of the Xihu depression,can not be predicted precisely by using conventional methods due to absence of corresponding data,which has restricted hydrocarbon exploration and development in the study area.The authors applied seismic multi-attributes technique and combined with data of well logs,core,lithology and regional geology to interpret the lithofacies of Pinghu Formation in the Pingbei area,and also favorable area for hydrocarbon exploration has been predicted in this paper.The results show that two sedimentary facies(tidal flat and delta) influenced by tide are developed in the Pinghu Formation,and reservoir in the delta is better because of its flaky sandbody distribution.The southwestern part of the study area with delta-front facies is the favorable target for hydrocarbon exploration.
引文
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[2]张永刚.油气地球物理技术新进展[M].北京:石油工业出版社,2004:224.[ZHANG Yonggang.The New Progress inHydrocarbon Geophysics Technology[M].Beijing:PetroleumIndustry Press,2004:224.]
[3]魏艳,尹成,丁峰,等.地震多属性综合分析的应用研究[J].石油物探,2007,46(1):42-47.[WEI Yan,YIN Cheng,DINGFeng,et al.Synthetic analysis of seismic multi-attribute and itsapplication[J].Geophysical Prospecting for Petroleum,2007,46(1):42-47.]
[4]陈遵德.储层地震属性优化方法[M].北京:石油工业出版社,1998:11-13.[CHEN Zunde.The Optimization Method of Res-ervoir Seismic Attribute[M].Beijing:Petroleum IndustryPress,1998:11-13.]
[5]沈荣,张宏健,夏连军,等.基于地震属性分析的储层预测方法研究[J].小型油气藏,2008,13(2):22-25.[SHEN Rong,ZHANG Hongjian,XIA Lianjun,et al.Reservoir forecastmethod based on seismic attribute analyses[J].Small Hydro-carbon Reservoirs,2008,13(2):22-25.]
[6]赵政璋,赵贤正,王英明,等.储层地震预测理论与实践[M].北京:科学出版社,2005.[ZHAO Zhengzhang,ZHAOXianzheng,WANG Yingming,et al.Theory and Practice ofSeismic Reservoir Prediction[M].Beijing:Science Press,2005.]
[7]张建宁,于建国.地震属性应用中的不确定性分析[J].石油物探,2006,45(4):373-379.[ZHANG Jianning,YU Jianguo.Uncertainty analysis in the application of seismic attribution[J].Geophysical Prospecting for Petroleum,2006,45(4):373-379.]
[8]赵丽娜,陈建文,张银国,等.东海西湖凹陷平湖构造带平湖组沉积特征[J].世界地质,2008,27(1):42-47.[ZHAO Lina,CHEN Jianwen,ZHANG Yinguo,et al.Sedimentary charac-teristics of Pinghu Formation in Pinghu structural belt of Xihudepression,East China Sea[J].Global Geology,2008,27(1):42-47.]
[9]孙思敏,彭仕宓.东海西湖凹陷平湖油气田花港组沉积相及沉积演化[C]//第九届全国古地理学及沉积学学术会议论文集.2006:36.[SUN Simin,PENG Shimi.Sedimentary facies andsedimentary evolution of Huagang formation in Pinghu fieldXihu sag,the East China Sea[C]//Ninth National Palaeo-geography and Sedimentology Conference Proceedings,2006:36.]
[10]叶加仁,顾惠荣,贾健谊.东海陆架盆地西湖凹陷油气成藏动力学[J].天然气工业,2005,25(12):5-8.[YE Jiaren,GUHuirong,JIA Jianyi.Research on the hydrocarbon accumula-tion dynamics of Xihu Sag,East China Sea Shelf Basin[J].Natural Gas Industry,2005,25(12):5-8.]
[11]顾惠荣,叶加仁,郝芳.东海西湖凹陷平湖构造带油气分布规律[J].石油与天然气地质,2005,26(1):104-108.[GU Hui-rong,YE Jiaren,HAO Fang.Distribution pattern of oil andgas in Pinghu structural zone in Xihu depression,East ChinaSea[J].Oil&Gas Geology,2005,26(1):104-108.]
[12]顾惠荣,贾健谊,叶加仁.东海西湖凹陷含油气系统特征[J].石油与天然气地质,2002,23(3):295-297.[GU Huirong,JIA Jianyi,YE Jiaren.Characteristics of oil and gas bearingsystem in Xihu sag in the East China Sea[J].Oil&GasGeology,2002,23(3):295-297.]
[13]胡芬,叶加仁,刘俊海.东海西湖凹陷平湖构造带油气运聚特征[J].海洋地质与第四纪地质,2003,23(1):95-102.[HUFen,YIE Jiaren,LIU Junhai.Petroleum migration and accu-mulation characteristics of Xihu sag,the East China Sea[J].Marine Geology and Quaternary Geology,2003,23(1):95-102.]
[14]田景文,高美娟.人工神经网络算法研究及应用[M].北京:北京理工大学出版社,2006:35-38.[TIAN Jingwen,GAOMeijuan.The Research and Application of Artificial NeuralNetwork[M].Beijing:Beijing Institute of Technology Press,2006:35-38.]
[15]徐刚,张建宁,谭明友.BP人工神经网络在济阳拗陷圈闭地质评价中的应用[J].石油地球物理勘探,2004,39(5):565-569.[XU Gang,ZHANG Jianning,TAN Mingyou.Applica-tion of BP artificial neural network to geologic appreciation oftraps in Jiyang depression[J].Oil Geophysical Prospecting,2004,39(5):565-569.]
[16]贺铎华.BP神经网络识别塔北低阻油气层[J].物探与化探,2002,26(2):122-125.[HE Duohua.The application of BPneural network to recognition of the Tabei low resistivity oiland gas layers[J].Geophysical and Geochemical Exploration,2002,26(2):122-125.]
[17]王良忱,张金亮.沉积环境和沉积相[M].北京:石油工业出版社,1996.[WANG Liangchen,ZHANG Jinliang.SedimentaryEnvironment and Sedimentary Facies[M].Beijing:PetroleumIndustry Press,1996.]
[18]姜在兴.沉积学[M].北京:石油工业出版社,2003.[JIANGZaixing.Sedimentology[M].Beijing:Petroleum IndustryPress,2003.]
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